4开头化工名词
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4-Ethyl-6-methoxy-2-pyrimidinamine
4-乙基-6-甲氧基-2-嘧啶胺
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4a,8a-Ethanonaphthalene,1,4,5,8-tetrahydro
4a,8a-Ethanonaphthalene,1,4,5,8-tetrahydro
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4-chloro-8-methyl-2-(2-oxoethylidene)-1H-quinoline-3-carbaldehyde
4-chloro-8-methyl-2-(2-oxoethylidene)-1H-quinoline-3-carbaldehyde
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4,4'-Dimethoxyazobenzene
4,4\'-Dimethoxyazobenzene
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4-methyl-N-(2-phenylethyl)benzenesulfonamide
4-methyl-N-(2-phenylethyl)benzenesulfonamide
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4-amino-1,2-thiazole-3-carboxylic acid
4-氨基异噻唑-3-羧酸
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4-ethenylpyrimidine
(9CI)-4-乙烯嘧啶
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4-amino-3-bromo-5-trifluoromethoxybenzoic acid
4-amino-3-bromo-5-trifluoromethoxybenzoic acid
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4-Cyclohexylbutanenitrile
4-Cyclohexylbutanenitrile
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4-chloro-6-propan-2-ylthieno[2,3-d]pyrimidine
4-氯-6-异丙基噻吩并[2,3-d]嘧啶
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4-(2,2,6-Trimethylcyclohex-1-en-1-yl)-3-butin-2-yl-acetat
4-(2,2,6-Trimethylcyclohex-1-en-1-yl)-3-butin-2-yl-acetat
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4-nitromorpholine
4-硝基吗啉
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4-oxo-4-(1,3,4-thiadiazol-2-ylamino)but-2-enoic acid
4-oxo-4-(1,3,4-thiadiazol-2-ylamino)but-2-enoic acid
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4-chloro-1-(2-methoxyphenyl)butan-1-one
4-氯-1-(2-甲氧基苯基)-1-丁酮
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4-[2-(4-carboxyanilino)ethylamino]benzoic acid
4,4’-(乙烯二亚胺)二苯甲酸
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4-trimethylsilyloxycyclohex-3-ene-1-carbaldehyde
4-三甲基硅烷氧基环己基-3-烯-甲醛
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4-bromo-2,5-dimethyltriazole
4-溴-2,5-二甲基-2H-1,2,3-噻唑
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4-ethyl-3-(1-phenoxyethyl)-1H-1,2,4-triazole-5-thione
4-乙基-5-(1-苯氧基乙基)-4H-1,2,4-噻唑-3-硫醇
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4-phenylbut-1-ynylbenzene
4-phenylbut-1-ynylbenzene
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4-nitronaphthalen-2-ol
4-nitronaphthalen-2-ol
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4-amino-5-chloro-N-[2-(diethylamino)ethyl]-2-hydroxybenzamide
4-amino-5-chloro-N-[2-(diethylamino)ethyl]-2-hydroxybenzamide
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4-AMINOACETOPHENONE OXIME
4-氨基苯乙酮肟
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4,8-benzo[1,2-b:4,5-b']dithiophenedicarboxylic acid
4,8-benzo[1,2-b:4,5-b\']dithiophenedicarboxylic acid
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4'-methylbiphenyl-4-yl pivalate
4\'-methylbiphenyl-4-yl pivalate
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4-chloro-2-phenyl-1-benzofuran
4-氯-2-苯基苯并呋喃
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4-(2-bromoethoxy)-1,2-dimethylbenzene
4-(2-溴乙氧基)-1,2-二甲苯
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4-formyl-1-methylpyrrole-2-carboxylic acid
4-甲酰基-1-甲基-1H-吡咯-2-羧酸(9ci)
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4-hydroxy-3,3-dimethylbutanenitrile
4-羟基-3,3-二甲基丁腈
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4-(4-hydroxy-1-butynyl)benzoic acid methyl ester
4-(4-羟基-1-丁炔基)苯甲酸甲酯
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4-Methyl-2-pyridinecarboxylic acid hydrochloride (1:1)
4-甲基甲酸吡啶盐酸盐
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4-bromo-3-chlorobenzamide
4-溴-3-氯苯甲酰胺
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4-[(4-amino-3-methoxyphenyl)methyl]-2-methoxyaniline
甲烷, 二(4-氨基-3-甲氧苯基)-
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4-(4-fluorophenyl)-6-isopropyl-N,5-dimethylpyrimidin-2-amine
4-(4-fluorophenyl)-6-isopropyl-N,5-dimethylpyrimidin-2-amine
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4-amino-3,5-dimethylphenyl methyl sulphide
4-amino-3,5-dimethylphenyl methyl sulphide
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4-N-(4-methylphenyl)benzene-1,4-diamine
N1-(对甲苯)苯-1,4-二胺
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4-bromo-N-(1,3-thiazol-2-yl)benzenesulfonamide
4-溴-N-(1,3-噻唑-2-基)苯-1-磺酰胺
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4-methoxy-3,N,N-trimethyl-aniline
4-methoxy-3,N,N-trimethyl-aniline
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4,5-dichlorocyclopent-4-ene-1,3-dione
4,5-dichlorocyclopent-4-ene-1,3-dione
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4-bromo-thiophene-2-carbaldehyde oxime
4-溴-噻吩-2-甲醛肟
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4-hydroxy-2-methyl-quinoline-6-carboxylic acid ethyl ester
4-hydroxy-2-methyl-quinoline-6-carboxylic acid ethyl ester
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4-hydroxy-3-nitro-5-phenylmethoxybenzaldehyde
3-苄氧基-4-羟基-5-硝基-苯甲醛
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4-(4-FLUOROPHENYL)-1,4-DIHYDRO[1,3,5]TRIAZINO[1,2-A][1,3]BENZIMIDAZOL-2-AMINE
4-(4-氟苯基)-1,4-二氢[1,3,5]三嗪并[1,2-A]苯并咪唑-2-胺
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4-methyl-3-nonene
4-methyl-3-nonene
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4'-[9-[4-[(4-nitrophenoxy)carbonyl]acridinyl]amino]methanesulfon-m-aniside
4\'-[9-[4-[(4-nitrophenoxy)carbonyl]acridinyl]amino]methanesulfon-m-aniside
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4-methylbenzene-1,3-disulfonamide
4-methylbenzene-1,3-disulfonamide
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4-(3-cyano-1-triazeno)pyridazine 1-oxide potassium salt
4-(3-cyano-1-triazeno)pyridazine 1-oxide potassium salt
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4-(6-methoxy-[1]naphthyl)-2-methyl-butyric acid
4-(6-methoxy-[1]naphthyl)-2-methyl-butyric acid
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4-ethylsulfanyl-naphthalene-1-sulfonic acid amide
4-ethylsulfanyl-naphthalene-1-sulfonic acid amide
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4-chloro-2-phenylpyrimidine-5-carbonitrile
2-苯基-4-氯-5-氰基嘧啶
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4-[(2-nitrophenyl)hydrazinylidene]naphthalen-1-one
4-[(2-nitrophenyl)hydrazinylidene]naphthalen-1-one